IP Library Granted Patent US 8,177,573
Granted Patent B2
US 8,177,573 · App. 13/203,132 · Granted May 15, 2012

Waterproof plug and wiring harness having the same

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Quick Facts
Patent No.
US 8,177,573
App. No.
13/203,132
Granted
May 15, 2012
Kind
B2
Abstract

A waterproof plug, which is mounted around an electric wire connected with a terminal to be received in a terminal receiving section of a connector housing, and waterproofs between an inner wall of the terminal receiving section and the electric wire, includes a waterproof member made of elastic material having a cylindrical main body, a plurality of inner lips projecting inwardly from an inner surface of the main body, and a plurality of outer lips projecting outwardly from an outer surface of the main body; and a resin member made of synthetic resin, having a cylindrical portion and a plurality of internal portions projecting from an end of the cylindrical portion along an axis of the cylindrical portion, and the plurality of internal portions is arranged with a distance between each other around the cylindrical portion and arranged in the main body of the waterproof member.

Claims (12)

1. A waterproof plug, which is mounted around an electric wire connected with a terminal to be received in a terminal receiving section of a connector housing, and waterproofs between an inner wall of the terminal receiving section and the electric wire, the waterproof plug comprising:

a waterproof member made of elastic material, the waterproof member having a cylindrical main body, a plurality of inner lips projecting inwardly from an inner surface of the main body and surrounding the main body, and a plurality of outer lips projecting outwardly from an outer surface of the main body and surrounding the main body; and

a resin member made of synthetic resin, the resin member having a cylindrical portion and a plurality of internal portions projecting from an end of the cylindrical portion along an axis of the cylindrical portion,

wherein the plurality of internal portions is arranged with a distance between each other around the cylindrical portion and arranged in the main body of the waterproof member.

2. A wiring harness, comprising:

a connector housing having a terminal receiving section;

an electric wire;

a terminal joined to an end of the electric wire and received in the terminal receiving section; and

a waterproof plug mounted around the electric wire, the waterproof plug waterproofing between an inner wall of the terminal receiving section and the electric wire, the waterproof plug comprising:

a waterproof member made of elastic material, the waterproof member having a cylindrical main body, a plurality of inner lips projecting inwardly from an inner surface of the main body and surrounding the main body, and a plurality of outer lips projecting outwardly from an outer surface of the main body and surrounding the main body; and

a resin member made of synthetic resin, the resin member having a cylindrical portion and a plurality of internal portions projecting from an end of the cylindrical portion along an axis of the cylindrical portion,

wherein the plurality of internal portions is arranged with a distance between each other around the cylindrical portion and arranged in the main body.

Assignments (2)
CHANGE OF ADDRESS Recorded Jun 5, 2023
From: YAZAKI CORPORATION
To: YAZAKI CORPORATION
Reel/Frame 063845/0802 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 24, 2011
From: DENO, MASAHIRO; YAMANE, TOMOKAZU
To: YAZAKI CORPORATION
Reel/Frame 026801/0316 →